/*
* Copyright (c) 2006-2007 Erin Catto http:
*
* This software is provided 'as-is', without any express or implied
* warranty.  In no event will the authors be held liable for any damages
* arising from the use of this software.
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked, and must not be
* misrepresented the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
// We use contact ids to facilitate warm starting.
// var b2ContactID = Class.create();
// b2ContactID.prototype =
import Features from './Features';
export default class b2ContactID {
    constructor() {
        this.features = new Features();
        this.key = 0;
        // initialize instance variables for references
        this.features = new Features();
        this.features._m_id = this;
    }
    Set(id) {
        this.set_key(id.key);
    }
    Copy() {
        var id = new b2ContactID();
        id.set_key(this.key);
        return id;
    }
    get_key() {
        return this.key;
    }
    set_key(value) {
        this.key = value;
        this.features._referenceFace = this.key & 0x000000ff;
        this.features._incidentEdge = ((this.key & 0x0000ff00) >> 8) & 0x000000ff;
        this.features._incidentVertex = ((this.key & 0x00ff0000) >> 16) & 0x000000ff;
        this.features._flip = ((this.key & 0xff000000) >> 24) & 0x000000ff;
    }
}
